Em2 redesign progress, collaboration with SIUC engineering.

Em2 redesign progress, collaboration with SIUC engineering.

We’re closing in on the new Em2 design.  It’s very exciting, but agonizing.  This CAD screenshot shows just a few of the two dozen or so leg attachment designs we’ve considered.  I’m insisting on something that’s super strong, safe,...

Emriver Em2 geomodel redesign, can you help?

Emriver Em2 geomodel redesign, can you help?

We’re continuing our redesign of the venerable Emriver Em2.  I expect we’ll be building a lot of these in the next few years, and as I’ve mentioned here before, now is a good time to step back and see how we can make it better. Here you can see the...

Cara Bergscheider leaves LRRD.

Cara Bergscheider leaves LRRD.

In late January Cara Bergschneider left LRRD to work for the NRCS in southern Illinois.  We miss her very much.  She’s one of a kind.

 When I decided to expand LRRD from a home-based business in 2007, I knew I’d need an extraordinary person to handle a...

River models and young students; redesign continues.

River models and young students; redesign continues.

Last week Andrew Podoll , a graduate fellow working with SIUC’s NSF-funded GK-12 Heartland Ecological/Environmental Academic Research Training (HEART) borrowed one of our Em2 models for a local elementary school’s “science night.”  He and the...

Redesign of the Emriver Em2.

Redesign of the Emriver Em2.

I’m super excited about our redesign of the Emriver Em2 model.  After many hours of meetings, emails, CAD work, research on materials and methods, and prototype building, I think we have the basic design figured out.  The first design, based on twenty years of...